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Test ID BLOD0219 Vitamin K1, Serum

Useful For

Assessment of circulating vitamin K1 concentration.

Specimen Type

Serum


Specimen Required


Patient Preparation: Patient should fast overnight (12-14 hours); infants should have specimen collected before next feeding.

Supplies: Amber Frosted Tube, 5 mL (T915)

Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Amber vial

Specimen Volume: 2 mL

Collection Instructions:

1. Within 2 hours of collection, centrifuge the specimen.

2. For red top tubes, immediately aliquot serum into an amber vial (preferred). Serum may sit on whole blood cells up to a maximum of two hours before aliquoting.

3. For serum gel tubes, immediately aliquot serum into an amber vial (preferred). Serum may sit on gel at ambient temperature for a maximum of 24 hours or refrigerated for a maximum of 7 days before aliquoting.


Reject Due To

Gross hemolysis OK
Lipemia Reject
Gross icterus OK

Specimen Minimum Volume

0.75 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 30 days
  Ambient  30 days
  Frozen  30 days

Day(s) Performed

Monday through Friday

Report Available

2 to 5 days

Method Name

Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

84597

Reporting Name

Vitamin K1, S

Reference Values

<18 years: Not established

≥18 years: 0.10-2.20 ng/mL

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

Forms

If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.

Secondary ID

42364
Sanford Laboratories - Enterprise Additional Information:

SANFORD LABORATORY INTERFACE BUILD INFORMATION

Result Code  Result Code Description 
5243 Vitamin K1